2120530305300 has 72 divisors (see below), whose sum is σ = 6693164755872. Its totient is φ = 514067952000.

The previous prime is 2120530305293. The next prime is 2120530305353. The reversal of 2120530305300 is 35030350212.

It is a happy number.

It is a super-2 number, since 2×2120530305300² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321289171 + ... + 321295770.

Almost surely, 2^{2120530305300} is an apocalyptic number.

2120530305300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120530305300 is an abundant number, since it is smaller than the sum of its proper divisors (4572634450572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120530305300 is a wasteful number, since it uses less digits than its factorization.

2120530305300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642584969 (or 642584962 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 2120530305300 its reverse (35030350212), we get a palindrome (2155560655512).

The spelling of 2120530305300 in words is "two trillion, one hundred twenty billion, five hundred thirty million, three hundred five thousand, three hundred".